Thread: FMIC's
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      05-08-2014, 03:17 PM   #33
Gpwheels
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Drives: 09 z4sdrive35i
Join Date: Feb 2014
Location: Grande Prairie, Alberta

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At the end of the day, if you're happy with it and everything is working, it was worth it. Btw, when you have a tune that requires an upgraded IC, I believe they increase the boost to offset the increased resistance of the bigger IC and add fuel because the cooler air is more dense and can burn more fuel. The engine would still run with a stock IC, but would likely run too hot and the air/fuel mixture would be off.
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